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Dive into the research topics where Hubert Friedl is active.

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Featured researches published by Hubert Friedl.


MTZ - Motortechnische Zeitschrift | 2006

Mehrwertorientierte Techniken für ottomotorische Antriebssysteme

Wolfgang Bandel; Günter Karl Fraidl; Hubert Friedl; Paul Kapus

Eine konsequente Mehrwertorientierung lasst sich beim Ottomotor in verschiedener Weise umsetzen. Beim AVL-CBR-System der dritten Generation wird durch Integration der variablen Ladungsbewegung in die Funktion der Restgassteuerung mittels Phasenschieber und Auslassventilmaskierung der Systemaufwand bei praktisch gleicher Funktionalitat deutlich reduziert. Das verbrauchs- und fahrspasorientierte DGI-tc Aufladekonzept von AVL steigert durch forcierte Nutzung von Synergieeffekten zwischen Direkteinspritzung, Nockenwellen-Phasenschieber und Abgasturboaufladung den Kundennutzen in Form von signifikanter Verbrauchsreduzierung und vergrosertem Fahrspas uberproportional zum Mehraufwand.


MTZ worldwide | 2006

Gasoline engine technologies focused on multiple benefit

Wolfgang Bandel; Günter Karl Fraidl; Hubert Friedl; Paul Kapus

Multiple benefit can be obtained in various ways in gasoline engine development through the consequent persual of this as goal. With the AVL-CBR 3 system, for example, the total cost can be significantly reduced by integrating the functionality of variable charge motion directly into the residual gas control by cam phaser. The AVL DGI-tc fuel economy and fun-to-drive concept achieved through uncompromising exploitation of the synergy effects between direct injection, cam phase shifter, turbocharging and exhaust valve masking increases customer benefits disproportionately greater than the increase in cost incurred.


Small Engine Technology Conference & Exposition | 2010

Two-Cylinder Gasoline Engine Concept for Highly Integrated Range Extender and Hybrid Powertrain Applications

Martin Atzwanger; Christian Hubmann; Wolfgang Schoeffmann; Bernhard Kometter; Hubert Friedl


Archive | 2013

Single Cylinder 25kW Range Extender as Alternative to a Rotary Engine Maintaining High Compactness and NVH Performance

Christian Hubmann; Frank Beste; Hubert Friedl; Wolfgang Schöffmann


MTZ worldwide | 2015

LPG Fuel Direct Injection for Turbocharged Gasoline Engines

Javier Ariztegui; Jaime Gutierrez; Alois Fürhapter; Hubert Friedl


MTZ - Motortechnische Zeitschrift | 2015

LPG-Flüssiggas-Direkteinspritzung für Turbo-Ottomotoren

Javier Ariztegui; Jaime Gutierrez; Alois Fürhapter; Hubert Friedl


SAE International journal of engines | 2011

Compact Engine Architecture for Best Fuel Efficiency and High Performance - Challenge or Contradiction

Christian Hubmann; Wolfgang Schoeffmann; Hubert Friedl; Mike Howlett


16th Asia Pacific Automotive Engineering Conference | 2011

Reducing Emissions and Improving Fuel Economy by Optimized Combustion of Alternative Fuels

Franz Murr; Ernst Winklhofer; Hubert Friedl


international asia conference on informatics in control, automation and robotics | 2017

Trends in gasoline powertrain technology for high performance and low emission

Hubert Friedl


Archive | 2017

Current Findings in Measurement Technology and Measurement Methodology for RDE and Fuel Consumption for Two-Wheeler-Applications

Johannes Hiesmayr; Stephan Schmidt; Stefan Hausberger; Roland Kirchberger; Christian Zinner; Patrick Filips; Roland Wanker; Hubert Friedl

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